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DC DC 5-35V To 1.25-30V 3A Step Down Buck Power Supply Module LM2596 Constant Current Adjustable Voltage Regulator Board

USD 1.25USD 1.81

DC DC 5-35V To 1.25-30V 3A Step Down Buck Power Supply Module LM2596 Constant Current Adjustable Voltage Regulator Board

Description
Specification
HD7490AP 74LS90
USD 6.50
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